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参数资料
| 型号： | NCP4331DBR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/22页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 16-TSSOP |
| 产品变化通告： | Product Obsolescence 19/Dec/2008 |
| 标准包装： | 2,500 |
| PWM 型： | 控制器 |
| 输出数： | 2 |
| 频率 - 最大： | 400kHz |
| 电源电压： | 最高 30V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
NCP4331
Synchronous Buck
Controller for High
Efficiency Post Regulation
The NCP4331 houses a dual MOSFET driver intended to be used as
a companion chip in ac-dc or dc-dc multi-output post regulated
power supplies. Directly fed by the secondary ac signal, the device
keeps power dissipation to the lowest while reducing external
http://onsemi.com
MARKING DIAGRAMS
component count. Further, the implementation of N-channel
MOSFETs gives NCP4331-based applications a significant advantage
in terms of efficiency.
16
1
16
NCP4331G
Features
? High Gate Drive Capability
? Bootstrap for N-MOSFET High-Side Drive
? Two Embedded Error Amplifiers Allowing Constant Current
Constant Voltage (CCCV) Operation
16
SO-16
D SUFFIX
CASE 751B
1
16
ALYYWW
NCP
ALYW G
G
1
?
?
?
?
?
?
?
?
± 1.5% Regulation Voltage Reference Over 0 ° C to 85 ° C Temperature
Range
Programmable Soft-Start
Thermal Shutdown for Overtemperature Protection
PWM Operation Synchronized to the Converter Frequency
Over-Lap Management for Soft Switching
Internal Regulator to Ease the Circuit Feeding
Undervoltage Detection
These are Pb-Free Devices
4331
1
TSSOP-16
DB SUFFIX
CASE 948F
A = Assembly Location
L = Wafer Lot
YY = Year
WW = Work Week
G or G = Pb-Free Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
Typical Applications
? Off-line Switch Mode Power Supplies
? Power Dc-dc Converters
? Efficient Alternative to Mag-Amp Post-Regulators
CSout
CSin-
CSin+
UVP/STDWN
COMP
FB
SS/Dmax
Cramp
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
BST
HS_DRV
HB
VDD
LS_DRV
GND
SYNC
(Top View)
ORDERING INFORMATION
Device
NCP4331DR2G
NCP4331DBR2G
Package
SOIC-16
(Pb-Free)
TSSOP-16
(Pb-Free)
Shipping
2500 /
Tape & Reel
2500 /
Tape & Reel
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
? Semiconductor Components Industries, LLC, 2008
January, 2008 - Rev. 0
1
Publication Order Number:
NCP4331/D
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参数描述 |
|---|---|
| NCP4331DR2G | 功能描述:功率驱动器IC PWM CONTROLLER RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| NCP433FCT2G | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:1.5A Ultra-Small Controlled Load Switch with Auto-Discharge Path |
| NCP434 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:2A Ultra-Small Controlled Load Switch with |
| NCP434FCT2G | 制造商:ON Semiconductor 功能描述:2A LOAD SWITCH WITH DISCH - Tape and Reel 制造商:ON Semiconductor 功能描述:REEL / 2A LOAD SWITCH WITH DISCH |
| NCP435 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:2A Ultra-Small Controlled Load Switch with |
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